Public water system · OH4900712
ActiveMid-Ohio Wsd - Chrisman Avenue WTP
At a glance
Mid-Ohio Wsd - Chrisman Avenue WTP (PWSID OH4900712) is an active community water system in Madison County, Ohio. It reports serving 10,256 people through 4,302 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
10,256
Service connections
4,302
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mid-Ohio Wsd - Chrisman Avenue WTP compare with other water systems in Madison County?
By EPA's size categories, Mid-Ohio Wsd - Chrisman Avenue WTP is a large system (10,001 to 100,000 people). Madison County has 53 active public water systems, and Mid-Ohio Wsd - Chrisman Avenue WTP is the largest of them by population served. Its population served is about 13 times the county average of 798 people per system, and accounts for 24% of the 42,314 people reported by systems filed under the county. Across Ohio, the 3,854 active systems average 2,767 people each. Nationally, the average active community water system reports serving 6,703 people, so Mid-Ohio Wsd - Chrisman Avenue WTP is about 53% above that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Ohio has 1,028 active community water systems, 27% of the state's 3,854 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,446 Ohio systems (89%) list groundwater as their primary source.
Who owns and regulates Mid-Ohio Wsd - Chrisman Avenue WTP?
EPA lists Mid-Ohio Wsd - Chrisman Avenue WTP as owned by a local government. The OH state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 53 active systems in Madison County (11%) are also owned by a local government.
Does Mid-Ohio Wsd - Chrisman Avenue WTP have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in July 2025. The violations listed here began between June 2012 and July 2025. By type: 5 public notice, recordkeeping or other, 5 contaminant level above the legal limit, 1 reporting and 1 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (5 of them). EPA lists 11 as resolved and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-12-20 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2024-01-25 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2023-07-21 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2022-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2022-01-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2020-01-21 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2018-09-14 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Mid-Ohio Wsd - Chrisman Avenue WTP: frequently asked questions
Who runs Mid-Ohio Wsd - Chrisman Avenue WTP?
Mid-Ohio Wsd - Chrisman Avenue WTP (PWSID OH4900712) is a community water system owned by a local government. It is regulated by the OH state drinking water program.
How many people does Mid-Ohio Wsd - Chrisman Avenue WTP serve?
Mid-Ohio Wsd - Chrisman Avenue WTP reports serving 10,256 people through 4,302 service connections in Madison County, Ohio.
Where does Mid-Ohio Wsd - Chrisman Avenue WTP get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Mid-Ohio Wsd - Chrisman Avenue WTP have any drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in July 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Mid-Ohio Wsd - Chrisman Avenue WTP's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.
Where can I find Mid-Ohio Wsd - Chrisman Avenue WTP's water quality report?
As a community water system, Mid-Ohio Wsd - Chrisman Avenue WTP must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Madison County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mid-Ohio Wsd - Old Springfield Road WTP | Madison | 5,176 | Community | Groundwater |
| West Jefferson Village Pws | Madison | 4,488 | Community | Groundwater |
| Mid-Ohio Wsd - Jackson Street WTP | Madison | 4,467 | Community | Groundwater |
| Travel Centers of America | Madison | 2,490 | Non-transient non-community | Groundwater |
| Choctaw Utilities, Inc.. | Madison | 2,200 | Community | Groundwater |
| Mount Sterling Village Pws | Madison | 2,059 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Mid-Ohio Wsd - Chrisman Avenue WTP, PWSID OH4900712, Ohio”, https://aquacensus.com/water-systems/ohio/mid-ohio-wsd-chrisman-avenue-wtp-oh4900712 (data as of October 1, 2026).